↑ «Cristiano Ronaldo first footballer to top Forbes rich list of highest-earning athletes» (en inglés). ↑ «Ronaldo’s $105 Million Year Tops Messi And Crowns Him Soccer’s First Billion-Dollar Man». ↑ «Cristiano Ronaldo Produced Nearly $1 Billion In Value For Sponsors On Social Media». ↑ «The Highest-Paid Athletes Of The Decade: Mayweather, Ronaldo And LeBron Dominate». ↑ «The World’s Highest-Paid Soccer Players 2015» (en inglés).